Page author: David Giblin
Brassica napus

Distribution: Occurring on both sides of the Cascades crest in Washington; widely distributed throughout much of North America.

Habitat: Disturbed areas including fields, roadsides, and wastelots, where often escaped from cultivation.

Flowers: April-June

Origin: Introduced from Eurasia

Growth Duration: Annual, Biennial

Conservation Status: Not of concern


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Accepted Name:
Brassica napus L.
Publication: Sp. Pl. 2: 666. 1753.

Synonyms & Misapplications:
Brassica napobrassica (L.) Mill.
Additional Resources:

PNW Herbaria: Specimen records of Brassica napus in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Brassica napus checklist entry.

E-Flora BC: Brassica napus atlas page.

CalPhotos: Brassica napus photos.

USDA Plants: Brassica napus information.

6 photographs:
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